1/4 cup sifted cornstarch or arrowroot
1/4 cup sifted confectioner’s sugar
3 packages unflavored gelatin
1 cup cold water-divided
1 1/2 cups granulated sugar
3/4 cup light corn syrup
1/2 teaspoon salt
1 teaspoon clear vanilla or crème bouquet flavoring
Find it online: https://lizbushong.com/homemade-marshmallow-recipe/